do_ftruncate - Linux

Symbol: do_ftruncate

fs/internal.h

int do_ftruncate(struct file *file, loff_t length, unsigned int flags);

fs/open.c

return do_ftruncate(fd_file(f), length, flags);

io_uring/truncate.c

ret = do_ftruncate(req->file, ft->len, 0);